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<head>
    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    禁止右键菜单
    <script>
        //1.contextmenu 可以禁用右键菜单
        document.addEventListener('contextmenu', function (e) {
            e.preventDefault();
        })
        document
        //2.selectstart 禁止选中文字
        document.addEventListener('selectstart', function (e) {
            e.preventDefault();
        })
    </script>
</body>

</html>